Andrew  w



lfiym al5 A. ,W. LIVINGSTON. MANUFACTURE OF METALLIG PRESERVING CANS.

No. 517,580. Patented Apr. 3, 1894.

e p'fssefl or turned inward duringthe shear ng orpeyloratin'g aetionfot the cntten.

.. Be it known that 1, ANDREW W.L1v1Ne AnDRn'W- w. LI NGS ON, or SAN? ERANmsoo; ASSINOR S N A EQ.

OArLIFORNIA.

MANLIJFACTU REQF METALLIC Pnzsssymegoms,

' I srsoiriclwxon forming part of Letters Batatflo. 517,580, dates April 3,1894. v v

A pplicatlon filed MsyZB, 1898. Serial no; m,9o7-.gmaa.

Ji'oall whom may ooflcerra- STON, a citizen 'of the United States, residing in the city and county oEJSan Francisco, State (if California, have-invented a new anduseful Improvement inthe Manufacture of.Metallic il reserving- Oans; an,d"I hereby declare the "following specification and drawings therewith to be a'fu-li, clear, and exact description of rniy 'inventiotft Myimprovements relate tometaliic cans;

snchas are employed in packing and preserv- -.ing fr'uit, fish,' or other food, and to a. method ofiiconstrnction or mannfa cture by which the ,Tandcheapened, also other usefulf-objeets at-g tain'ed. i

processes for'making smalicans are shortened.

' A is "i My invention consists in constructingcans of double length, or making a coinl110'11ft5alfi.v

= ngandperforat ngthe-main sheet forming separable into-two parts hr half'eans 'by scerished' it'oan be readily separated "into two .parts, f0rn1ing two half cans that alreeomplete except-the cover to be applied after the'oans arefilled, also facilitatihgthe pro ess of sol.-.

den-mesheends of the double ca 'y ting", throughfth'e perforations,'the escapefof th Leonta'i-ned air ,whieh expands by heat e when the ends aresol'deredfon, also in other l features-that vwill be more particularly flex-j plaiiied in conneet ion with the "drawings in the sheet for'n'iin g the sides of 'the cana pre -Y paired before rolling and forming into a cyi ,inider. Fig 3showsan edge view of the same sheet passingnn'dera rolling shear or cutter that perforates and scores the'sheet, as shown .in'Figs. 1, and-2. Fig.4 isaside-vi'ew 'of'the cutter; is owing how itjis se'arrated seas, to

score an perforatethesheetk r Fig. 5 is a; de?

tailjshmifing how the metalie slightly com-i similar'letters of: reference'are employed to desighatelike partsin thedrawings.

' In the mapnfaetare of packing cans, they are commonly made to a standard size, about:

eaniibesoldrbd on! Y .w I a I i- Referring, to "the drawings, the-"can: A, Fig.. 1, isiof the standardsize, having theends B in this mannfactur'ejs preferablymade to 'ac-- size o'a'nsof' uniform dilnensions.-,-,

cans; except that in making half cans the the capacityiof the machlnery in maliing half i fJQHNl EQ 0 'sifx,inches loniandfour inches inidianieter, and-'haltican's of the same diameter about ,threeinches long; The machinery employed 7 c 55 comm'odate in its various elements the full I ,1

sides ofthestandard one is scored andiperforated, and both ends soldered on; so that when, complete the double can may be readily separated in'the middle, andtwo halves prepared ready to receive their (3 vers; thus doubling".

cans, and eheapening the mannfacture as,

cordingly, also, by' 'reason of the perforations rperm'itlting' the escape ofair in" the calls which I; 1

isexpanded by th e l 1eat' softhatboth ends and Q soldered on. Aroundthe center oi the can-is a scoiefu'eut entirely through'fforpreferably to extend around about nine tenths of'the eans perimeter, the remaining portions a a a a partially out through; being about one atc c e c; corresponding to thefpoints a'o x'z Th notches in theent'ter E, are also; tor the.

"view," Eig"; 4. I This rolling action otth cut-' insideas'i'ndieated in Fig. 5', and thjee'xterior filled. and sealedi The cutter E Lmake with ,athin edge so as todistnrb the metal 'as' lit-' tle' astpossibl'e where the slit or score is made,

and-so the sides of the can will remain in'a straight line and not be indented. This is necessary, because iii-applying the heads or same reason, shown exaggerated in thei side tenE being inward, leaves'the bnir-on'the smooth, set 0 covers can'be pressed onthe half cans without'obstruotion whenthey are 75 1 :most of the dlstanee, small seetlonso' a a a :being lett Ijartially out through, so'the-can ,wiu; be held together during the; process of f*'rn'an i1factiire'. The perforations 'e, e, e eI make tenth of the perimeter. 'To'form this score I andperforations; I, employ a sharp rotary entiter E,. .that rolls-on the sheet Fyas shown in 'Fig.' -3, the periphery bbil g slightly ent away;

.in Fig. 2; which shows thesheetfiat'with the: seore D-exaggerated for .better'explanatien.

ZOO

ounly with the not of cutting turning inward the nil 'eslot the two can 5, whereby the necesnity of nnbsequently bnrring or turning said mtg-0n inward by a sepn 'ateopemtion is uteri, substantially as specified.

The double paclcingcan herein desc scored or gin-tinny snvemd around its axis or middle hectinn mid hnvingthe edges of the 5 two nnnn, which are tube, '0

int; UI' dividing the double can; tu'rned inward ht ttnnh nem'n, nnhstnntihlly as specified;

3. 'lhnprounssof improvementin the art of ltltti il'iftttttui'iilg heet metal cans con sisting in iirnt pm'tiallyisnveringa. double Ien hntly hlnnk nlnngits median lino an tnnnnnnly turning in tn'n nnnn to he fm'me innily nmnn, than hmly hlnhlt intn at and finnll bon intn partially 8 ends 15 and L considerablepressure is ant played, and the can would crush it the sheet was indented along the score fl) 'in siapnrntn the can after it is (enmpictcd in the town nhown in iiigz. l, I employ n roller 01. other means to bend and disturb the metal at the sides; of the score I), which :snpm'nten minliily when Ht'll)- jented tn such bending and pressure; Thus it will he seen that the pincer-,5 0t mnnnfnntnre is the same for Whole and halt nnnn, nxnnpt the sent-i ngnmi pinrtnmtingnlc rhnnisnmvhich1mm he applied or rnnitinrl ins thn wort: gain; on, and that the numlmr 0f hnlt cans that man be made in at given time in double what the nntehinery could prrnlnnn it modified tn suit the shorten length, nhn) that in making h'ntt' cans n0 other 'am'fnmtinnn'th:tn those in the worn I) are required to pmrmit thn nnmtyn of him mined air that is Bh'liitlldfitl li y heat in withining on the ends it nnti (.1, mail the lrmchintn'y requires but little nirnliiinntion nhclmngnfnr either pin-pone.

(1 simulwnrd the edges of the t1 lmm nun double can forming said dnublo can double length y separating the double 1 two nnpnmte mm bod ins overed line, snhstantiaii ngth can along said y as specisingle blank of 511008 into two separate metal and cntti sg it cnn bullies and niniuitnnn Having thus (lGHCILiLJUL'l tin,- nntnz'n :nnlnhhell. i 1 A jects of my invention, with thn mnnnnmt :tp- In testimony wh'oreofl have hereunto at- 55 plying it; in practice, whnt I izlniin twnew, and fixed mysignntm'e in the presenceof two witdesire to sennm hy Tllettem Patent, is--- I menses. j 1 i 3. The p'rnnesn ntiinpi'ovnnmntin thtmi'tof l i l T i 1 i Z, m manufacturingnhnetmelnlcnnsgtsnnnintingin I ALDRILW LIVINGS forming .a. double: length mm body from a! \Viinesans:

vi- 3s ribd, rmed bysepamt- 4o gth can 5 can body, 50 

